... well-tested, and offers advanced features like bulk enqueueing/dequeueing (which, with my new design, is much faster than one element at a time, approaching and even surpassing the speed of a non-concurrent queue even under heavy contention). In short, there was a lock-free queue shaped hole in the C++ open-source universe, and I set out to fill it with the fastest, most complete, and well-tested design and implementation I could.